OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3868f0-0): addr:12:2b:c2:d7:40:2a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:5e:31:23:d2:1a:c0
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
